Migrate to `androidx`

import android.content.Intent;

import android.os.Build;

import android.os.Bundle;

import android.support.annotation.Nullable;

import android.support.v4.view.MenuItemCompat;

import android.support.v4.view.ViewCompat;

import android.support.v7.widget.SearchView;

import android.support.v7.widget.ShareActionProvider;

import android.text.SpannableString;

import android.text.TextUtils;

import androidx.annotation.Nullable;

import androidx.core.view.MenuItemCompat;

import androidx.appcompat.widget.ShareActionProvider;

import android.util.Log;

import android.view.Menu;

import android.view.MenuInflater;

import android.widget.LinearLayout;

import android.widget.TextView;

import androidx.annotation.Nullable;

import androidx.appcompat.widget.SearchView;

import androidx.appcompat.widget.ShareActionProvider;

import androidx.core.view.MenuItemCompat;

import androidx.core.view.ViewCompat;

import it.niedermann.owncloud.notes.R;

import it.niedermann.owncloud.notes.model.CloudNote;

import it.niedermann.owncloud.notes.model.DBNote;

        prepareFavoriteOption(itemFavorite);

        searchMenuItem = menu.findItem(R.id.search);

        searchView = (android.support.v7.widget.SearchView) searchMenuItem.getActionView();

        searchView = (SearchView) searchMenuItem.getActionView();

        if (!TextUtils.isEmpty(searchQuery) && isNew) {

            searchMenuItem.expandActionView();

        }

        final LinearLayout searchEditFrame = searchView.findViewById(android.support.v7.appcompat.R.id

        final LinearLayout searchEditFrame = searchView.findViewById(R.id

                .search_edit_frame);

        searchEditFrame.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {

package it.niedermann.owncloud.notes.util;

import android.graphics.Typeface;

import android.support.annotation.ColorInt;

import android.text.Spannable;

import android.text.TextUtils;

import android.text.style.CharacterStyle;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import androidx.annotation.ColorInt;

public class DisplayUtils {

    public static Spannable searchAndColor(String text, Spannable spannable, String searchText, @ColorInt int color) {